@inproceedings{peng2019distantly,
    title = "Distantly Supervised Named Entity Recognition using Positive-Unlabeled Learning",
    author = "Peng, Minlong  and
      Xing, Xiaoyu  and
      Zhang, Qi  and
      Fu, Jinlan  and
      Huang, Xuanjing",
    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P19-1231",
    doi = "10.18653/v1/P19-1231",
    pages = "2409--2419",
}